Table 3

Intraoperative Ventilatory management

Historical control cohort (n = 533)

PLV cohort (n = 558)

Two-lung ventilation

Tidal volume (ml/kg predicted body weight)

9.2 (2.8)

6.5 (2.0)*

Patients with tidal volume < 8 ml/kg (%)

24

92 *

Inspiratory plateau pressure (cmH₂O)

16 (5)

12 (4)*

Positive end-expiratory pressure (cmH₂O)

3 (2)

3 (3)

Dynamic compliance (ml/cmH₂O)

52.4 (9.1)

53.5 (8.7)

Inspiratory oxygen fraction (%)

40 (4)

38 (13)

Respiratory rate (cycle/minute)

11 (1)

14 (2)*

One-lung ventilation

Tidal volume (ml/kg predicted body weight)

7.1 (1.2)

5.3 (1.1)*

Inspiratory plateau pressure (cmH₂O)

20 (7)

15 (6)*

Positive end-expiratory pressure (cmH₂O)

3.3 (2.1)

6.2 (2.4)*

Dynamic compliance (ml/cmH₂O)

32.2 (7.5)

44.6 (6.9)*

Inspiratory oxygen fraction (%)

64 (9)

67 (8)

Respiratory rate (cycle/minute)

13 (2)

15 (2)*

Data presented as mean (standard deviation) or percentage. *P < 0.05 between the two groups.

Licker et al. Critical Care 2009 13:R41   doi:10.1186/cc7762